141940891 has 2 divisors, whose sum is σ = 141940892. Its totient is φ = 141940890.

The previous prime is 141940879. The next prime is 141940913. The reversal of 141940891 is 198049141.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141940891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141940891.

It is not a weakly prime, because it can be changed into another prime (141940691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70970445 + 70970446.

It is an arithmetic number, because the mean of its divisors is an integer number (70970446).

Almost surely, 2^141940891 is an apocalyptic number.

141940891 is a deficient number, since it is larger than the sum of its proper divisors (1).

141940891 is an equidigital number, since it uses as much as digits as its factorization.

141940891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 141940891 is about 11913.8948711158. The cubic root of 141940891 is about 521.6379454337.

The spelling of 141940891 in words is "one hundred forty-one million, nine hundred forty thousand, eight hundred ninety-one".